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Don't know that this package of wires and fuse box is that came witht he truck

Scotty_B
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Scotty_B New Member

Scotty_B

Posted
Posted

There was a package in the back of the 2023 2500 duramax I just bought. I meant to ask the dealership what it was but forgot about it after test driving, talking and buying.

There's a bag of fuses, a small fuse box, and another wire that's in the bag (pictured below).


Is it for the auxiliary switches or the bed outlet? Not sure. Thank you!

image0.jpeg

revrnd Senior Enthusiast

revrnd

Posted
Posted

An upfitter kit? I know when I bought 1 of my trucks (pre K2XX) that had the VYU Snow Plow Prep there was a small harness in the glove box, but nothing like that.

Scotty_B New Member

Scotty_B

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Posted

I've looked through the owner's manual and I think you're correct. It being the upfitter. I have 5 aux switches on the left side of the lower panel driver side that don't do anything. I found a youtube video where the guy has a similar harness.

Thank you, upfitter was the word I needed.

  • Like 1
newdude Senior Enthusiast

newdude

Posted
Posted
1 hour ago, Scotty_B said:

There was a package in the back of the 2023 2500 duramax I just bought. I meant to ask the dealership what it was but forgot about it after test driving, talking and buying.

There's a bag of fuses, a small fuse box, and another wire that's in the bag (pictured below).


Is it for the auxiliary switches or the bed outlet? Not sure. Thank you!

image0.jpeg

 

 

Aux upfitter switch wiring.  HDs have the switch in the dash already, just needs to be wired up.  

Pryme Senior Enthusiast

Pryme

Posted
Posted
39 minutes ago, newdude said:

 

 

Aux upfitter switch wiring.  HDs have the switch in the dash already, just needs to be wired up.  

What’s the going rate for that to be done typically? I have the same bundle sitting in the garage and as you said, the switch is already in my dash. 

newdude Senior Enthusiast

newdude

Posted
Posted
28 minutes ago, Pryme said:

What’s the going rate for that to be done typically? I have the same bundle sitting in the garage and as you said, the switch is already in my dash. 

 

 

3-4 hours last time I checked.  Going to vary from dealer to dealer of course.  

newdude Senior Enthusiast

newdude

Posted
Posted
2 minutes ago, Pryme said:

Probably like 300 I’m guessing. Okay thanks. 

 

 

Try 450-600 lol.  Its 145/hr where I am, head towards the city they are over 170/hr now.  

Another JR Senior Enthusiast

Another JR

Posted
Posted

There’s a pretty detailed thread on the DIY installation. Someday I will do it with my kit I ordered with the truck. 

Pryme Senior Enthusiast

Pryme

Posted
Posted
4 hours ago, newdude said:

 

 

Try 450-600 lol.  Its 145/hr where I am, head towards the city they are over 170/hr now.  

Holy cow. Thought it was like 90/hr in my area. I’ll have to ask what the hourly rate is here. 

  • 5 weeks later...
PBNB Enthusiast

PBNB

Posted
Posted

I have the all the kit parts as well. The install part that takes the longest is the bank of buttons on the interior kick panel. You need to take the entire dash apart to install those or cut a hole if you are feeling lucky.

 

I had to go back to the dealer and get the fuses and screws to complete the kit. Fortunately, I have the switches already installed. 

 

There are few threads on this forum that go into details on how to install it. The dealer might but it seems that they don't really want to?

 

I have a couple of accessories that I am going to install as a start. I am also going to run the 4 hot wires out and into the engine bay so I can attach to them for lighting etc... The 5th one will be a tap for my dash cam. 

Screenshot2024-11-17at12_49_34PM.thumb.png.564947b573926c3002b0e5e44e07d4ae.png

  • Like 1
newdude Senior Enthusiast

newdude

Posted
Posted (edited)
3 hours ago, PBNB said:

I have the all the kit parts as well. The install part that takes the longest is the bank of buttons on the interior kick panel. You need to take the entire dash apart to install those or cut a hole if you are feeling lucky.

 

I had to go back to the dealer and get the fuses and screws to complete the kit. Fortunately, I have the switches already installed. 

 

There are few threads on this forum that go into details on how to install it. The dealer might but it seems that they don't really want to?

 

I have a couple of accessories that I am going to install as a start. I am also going to run the 4 hot wires out and into the engine bay so I can attach to them for lighting etc... The 5th one will be a tap for my dash cam. 

Screenshot2024-11-17at12_49_34PM.thumb.png.564947b573926c3002b0e5e44e07d4ae.png

 

 

HDs come with the switch bank and dash panel for the switches pre-installed.  The rest of the kit just has to be installed.

 

Here's the instructions from GM - UI-Bulletin-153e.pdf

 

The instructions for enabling power to the aux kit and if adding a snowplow, power for that - UI-Bulletin_147b-Snow-Plow-power-provisions.pdf

 

Edited by newdude
Major Tom Enthusiast

Major Tom

Posted
Posted

On my 2020, that fifth wire terminates near the third brake light.  

07HD Enthusiast

07HD

Posted
Posted

Just finished wiring up the switches that came installed in my "25" PRO HD. The hardest part was getting the 10 ga. battery wire through the firewall. If you're going to hook up an accessory up front somewhere pull that power wire through at the same time. Also don't forget to pull a small pull string through for future use.

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